You save scummed, didn't you?
The game has a weird way of re-loading saves (it overwrites the save as it loads it, meaning the end state is different than what the save was before loading it), and it seems to have special trouble when reloading a save multiple times. (Anyone who plays multiplayer can attest to this.) One of the things that gets visibly garbled is Subject LD modifiers. If I'm going to test something on a save file I always make a backup, as I often end up with:
+23% Cancelled Scutage
+23% Cancelled Scutage
+23% Cancelled Scutage
+23% Cancelled Scutage
-11% Placated Rulers
-11% Placated Rulers
-11% Placated Rulers